will onload handler helps you? ;) There is nothing about RichFaces.
sorry for stupid question
but where can i define onload?
There is something to be aware of. If you try to attach events, styles, or anything to elements in the DOM tree in an onLoad() handler, they will all be lost if you ajax reRender those elements.
I was using jQuery to attach behaviour to select boxes in onLoad(), and to get around this problem I also called the function in an a4j:status.
I hope that helps somebody,
Prototype.js & jQuery libraries are already bundled with RichFaces, use a4j:loadScript to load one if you've decided to use it.